1. (a) Solvents and Solvent Effects in Organic Chemistry. Second edn, VCH Publishers, Weinheim 1988;
2. (b) Empirical Parameters of Solvent Polarity and Chemical Reactivity, in and (eds.), Molecular Interactions. Vol. 3, Chapter 5, pp. 241-282, Wiley, Chichester 1982;
3. (c) and Liebigs Ann. Chem., 721 (1983);